cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A154325 Triangle with interior all 2's and borders 1.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 2
5 1
6 1
7 2
8 2
9 1
10 1
11 2
12 2
13 2
14 1
15 1
16 2
17 2
18 2
19 2
20 1
21 1
22 2
23 2
24 2
25 2
26 2
27 1
28 1
29 2
30 2
31 2
32 2
33 2
34 2
35 1
36 1
37 2
38 2
39 2
40 2
41 2
42 2
43 2
44 1
45 1
46 2
47 2
48 2
49 2
50 2
51 2
52 2
53 2
54 1
55 1
56 2
57 2
58 2
59 2
60 2
61 2
62 2
63 2
64 2
65 1
66 1
67 2
68 2
69 2
70 2
71 2
72 2
73 2
74 2
75 2
76 2
77 1
78 1
79 2
80 2
81 2
82 2
83 2
84 2
85 2
86 2
87 2
88 2
89 2
90 1

List of values

[1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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